Finding the Third Proportional to 63,897,989 and 139,959,182

Step by Step Solution

1. Step 1: Write the proportion equation
   63,897,989 : 139,959,182 = 139,959,182 : x
2. Step 2: Convert to fraction form
   63,897,989/139,959,182 = 139,959,182/x
3. Step 3: Cross multiply
   63,897,989x = 139,959,182 × 139,959,182
4. Step 4: Simplify right side
   63,897,989x = 19,588,572,626,109,124
5. Step 5: Solve for x
   x = 19,588,572,626,109,124/63,897,989
6. Step 6: Final answer
   x = 306,560,080.10